1. Isakhiwo se-Roller: Indawo Enkulu Yendawo Yokukhipha, Ukuhlakaza Ukucindezela Kwe-Roller Nokwandisa Ukukhipha;
2. Isakhiwo Sokusikwa: Isakhiwo Sokukhipha Isisiki Esizimele Siqinisekisa Ubushelelezi Bokukhipha Nokufana Kokucaciswa Komkhiqizo Oqediwe;
3. Isakhiwo Sokuphakelayo: Indandatho Iyafa Ayijikezi, Futhi I-Main Shaft Yerola Iyazungeza, Edlala Indima Yokuphakela Okumaphakathi Ngokulinganayo.
4. Uhlelo Lokugcoba: I-Roller Assembly Ifakwe I-Automatic Oil Tank, Engasetshenziswa Ngebhotela Izinsuku ezingu-2-3;
5. Isakhiwo Esizungezisayo: I-Gearbox Enohlelo Lokugcoba, Inetorque Ezinzile Futhi Akukho Ukushisisa.